This class is not part of the public API.

Class: sun.management.LazyCompositeData

This abstract class provides the implementation of the CompositeData interface. A CompositeData object will be lazily created only when the CompositeData interface is used. Classes that extends this abstract class will implement the getCompositeData() method. The object returned by the getCompositeData() is an instance of CompositeData such that the instance serializes itself as the type CompositeDataSupport.

Inheritance

Superclass tree: Implements:

Methods

  • LazyCompositeDatatop

    public LazyCompositeData()
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  • compositeDatatop

    synchronized private CompositeData compositeData()
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  • containsKeytop

    public boolean containsKey(String key)
    Returns true if and only if this CompositeData instance contains an item whose name is key. If key is a null or empty String, this method simply returns false.
    Parameters:
    @param key the key to be tested.
    Return:
    @return true if this CompositeData contains the key.
    Specified by:
    containsKey from CompositeData
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  • containsValuetop

    public boolean containsValue(Object value)
    Returns true if and only if this CompositeData instance contains an item whose value is value.
    Parameters:
    @param value the value to be tested.
    Return:
    @return true if this CompositeData contains the value.
    Specified by:
    containsValue from CompositeData
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  • equalstop

    public boolean equals(Object obj)
    Compares the specified obj parameter with this CompositeData instance for equality.

    Returns true if and only if all of the following statements are true:

    • obj is non null,
    • obj also implements the CompositeData interface,
    • their composite types are equal
    • their contents, i.e. (name, value) pairs are equal. If a value contained in the content is an array, the value comparison is done as if by calling the deepEquals method for arrays of object reference types or the appropriate overloading of Arrays.equals(e1,e2) for arrays of primitive types

    This ensures that this equals method works properly for obj parameters which are different implementations of the CompositeData interface, with the restrictions mentioned in the equals method of the java.util.Collection interface.

    Parameters:
    @param obj the object to be compared for equality with this CompositeData instance.
    Return:
    @return true if the specified object is equal to this CompositeData instance.
    Specified by:
    equals from CompositeData
    Override hierarchy:
    equals from Object
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  • gettop

    public Object get(String key)
    Returns the value of the item whose name is key.
    Parameters:
    @param key the name of the item.
    Return:
    @return the value associated with this key.
    Specified by:
    get from CompositeData
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  • getAlltop

    public Object[] getAll(String[] keys)
    Returns an array of the values of the items whose names are specified by keys, in the same order as keys.
    Parameters:
    @param keys the names of the items.
    Return:
    @return the values corresponding to the keys.
    Specified by:
    getAll from CompositeData
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  • getBooleantop

    static boolean getBoolean(CompositeData cd, String itemName)
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  • getCompositeDatatop

    abstract protected CompositeData getCompositeData()
    Returns the CompositeData representing this object. The returned CompositeData object must be an instance of javax.management.openmbean.CompositeDataSupport class so that no implementation specific class is required for unmarshalling besides JMX 1.2 classes.
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  • getCompositeTypetop

    public CompositeType getCompositeType()
    Returns the composite type of this composite data instance.
    Return:
    @return the type of this CompositeData.
    Specified by:
    getCompositeType from CompositeData
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  • getInttop

    static int getInt(CompositeData cd, String itemName)
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  • getLongtop

    static long getLong(CompositeData cd, String itemName)
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  • getStringtop

    static String getString(CompositeData cd, String itemName)
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  • hashCodetop

    public int hashCode()
    Returns the hash code value for this CompositeData instance.

    The hash code of a CompositeData instance is the sum of the hash codes of all elements of information used in equals comparisons (ie: its composite type and all the item values).

    This ensures that t1.equals(t2) implies that t1.hashCode()==t2.hashCode() for any two CompositeData instances t1 and t2, as required by the general contract of the method Object.hashCode().

    Each item value's hash code is added to the returned hash code. If an item value is an array, its hash code is obtained as if by calling the deepHashCode method for arrays of object reference types or the appropriate overloading of Arrays.hashCode(e) for arrays of primitive types.

    Return:
    @return the hash code value for this CompositeData instance
    Specified by:
    hashCode from CompositeData
    Override hierarchy:
    hashCode from Object
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  • isTypeMatchedtop

    static protected boolean isTypeMatched(CompositeType type1, CompositeType type2)
    Compares two CompositeTypes and returns true if all items in type1 exist in type2 and their item types are the same.
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  • isTypeMatchedtop

    static protected boolean isTypeMatched(TabularType type1, TabularType type2)
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  • toStringtop

    public String toString()
    Returns a string representation of this CompositeData instance.

    The string representation consists of the name of the implementing class, the string representation of the composite type of this instance, and the string representation of the contents (ie list the itemName=itemValue mappings).

    Return:
    @return a string representation of this CompositeData instance
    Specified by:
    toString from CompositeData
    Override hierarchy:
    toString from Object
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  • valuestop

    public Collection values()
    Returns an unmodifiable Collection view of the item values contained in this CompositeData instance. The returned collection's iterator will return the values in the ascending lexicographic order of the corresponding item names.
    Return:
    @return the values.
    Specified by:
    values from CompositeData
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  • writeReplacetop

    protected Object writeReplace() throws ObjectStreamException
    Designate to a CompositeData object when writing to an output stream during serialization so that the receiver only requires JMX 1.2 classes but not any implementation specific class.
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Fields